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1 /*
2  * Copyright (c) 2021 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *     http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #ifndef HISYSEVENT_MANAGER_H
17 #define HISYSEVENT_MANAGER_H
18 
19 #include <string>
20 #include <vector>
21 
22 #include "hisysevent_query_callback.h"
23 #include "hisysevent_subscribe_callback.h"
24 #include "sys_event_rule.h"
25 
26 namespace OHOS {
27 namespace HiviewDFX {
28 struct QueryArg {
29     long long beginTime;
30     long long endTime;
31     int maxEvents;
QueryArgQueryArg32     QueryArg(const long long begin, const long long end, const int max)
33         : beginTime(begin), endTime(end), maxEvents(max) {};
QueryArgQueryArg34     QueryArg() {}
35 };
36 
37 class ListenerRule {
38 public:
39     ListenerRule(const std::string& domain, const std::string& eventName,
domain(domain)40         const std::string& tag, RuleType ruleType = RuleType::WHOLE_WORD) : domain(domain),
41         eventName(eventName), tag(tag), ruleType(ruleType) {}
42     ListenerRule(const std::string& domain, const std::string& eventName,
43         RuleType ruleType = RuleType::WHOLE_WORD) : ListenerRule(domain, eventName, "", ruleType) {}
44     ListenerRule(const std::string& tag, RuleType ruleType = RuleType::WHOLE_WORD)
45         : ListenerRule("", "", tag, ruleType) {}
46 
47 public:
GetDomain()48     std::string GetDomain() const
49     {
50         return domain;
51     }
GetEventName()52     std::string GetEventName() const
53     {
54         return eventName;
55     }
GetTag()56     std::string GetTag() const
57     {
58         return tag;
59     }
GetRuleType()60     RuleType GetRuleType() const
61     {
62         return ruleType;
63     }
64 
65 private:
66     std::string domain;
67     std::string eventName;
68     std::string tag;
69     RuleType ruleType;
70 };
71 
72 class QueryRule {
73 public:
QueryRule(const std::string & domain,const std::vector<std::string> & eventList)74     QueryRule(const std::string& domain, const std::vector<std::string>& eventList)
75         : domain(domain), eventList(eventList), ruleType(RuleType::WHOLE_WORD) {}
76 
77 public:
GetDomain()78     std::string GetDomain() const
79     {
80         return domain;
81     }
GetEventList()82     std::vector<std::string> GetEventList() const
83     {
84         return eventList;
85     }
GetRuleType()86     RuleType GetRuleType() const
87     {
88         return ruleType;
89     }
90 
91 private:
92     std::string domain;
93     std::vector<std::string> eventList;
94     RuleType ruleType;
95 };
96 
97 class HiSysEventManager {
98 public:
99     HiSysEventManager() = default;
100     static bool AddEventListener(std::shared_ptr<HiSysEventSubscribeCallBack> listener,
101         std::vector<ListenerRule>& rules);
102     static bool RemoveListener(std::shared_ptr<HiSysEventSubscribeCallBack> listener);
103     static bool QueryHiSysEvent(struct QueryArg& queryArg,
104         std::vector<QueryRule>& queryRules,
105         std::shared_ptr<HiSysEventQueryCallBack> queryCallBack);
106     static bool SetDebugMode(std::shared_ptr<HiSysEventSubscribeCallBack> listener, bool mode);
~HiSysEventManager()107     ~HiSysEventManager() {}
108 };
109 } // namespace HiviewDFX
110 } // namespace OHOS
111 
112 #endif // HISYSEVENT_MANAGER_H
113